No power in 7.5 fuse for plow joystick

sold my 88's (had 2, one yours, and one Comanche)
sold in 2000 year, ran hard and over 250k miles each.
the answer is the same,as all cars, for sure..
you have an added relay for lights.(aux)
this relay prevents overloading the cars H/L wiring and fusing
so there are 2 parts, there, a relay and a fuse inline added.
the fuses are are for fire safety. (the battery can do 500+ amps ok?)
Relay mounted somewhere, and...
the coil pin 1, ground. car body ground is ok.
then the relay coil 2 wire to the H/L low beam wire,or tail light wire using and inline 5amp fuse , to protect that very expensive H?L switch in that jeep,
tail lamp wire also means PARKING lamps. TODAY.

Contactors are those switch part of relay not the coil.
then contactor, power in pin to one more fuse, 15amp to battery +
and each contactor out to your plow lights. (load)

the when H/L are on the relay closes and the Plow lights work
if you google this there are zillions of wiring diagrams for this
even 4wd offroad light bars wired the same way.

there you go, how to wire AUX lights on any vehicle.

make sure fluids not contaminated water mixes with it then freezes. if ok check relays for green corrosion and tight connections

Bad connection in plug,bad wire, fuse or fusible link, faulty joystick.
press the helpful button and check link below
western plow problem Snow Plow Forum Let Talk Snow Discussion Forums

could it be possible that fuse box in engine compartment is fried? Don't assume the worst . If the PCM - engine computer doesn't see an input from the crankshaft position sensor it won't energize the fuel pump relay .Watch this video an test the electrical circuit .
GM Fuel Pump Relay Testing Test for spark !

Not a lot to work with here so I'm going to have to make some assumptions, and may need some more info. I'm going to assume this solenoid operates a hydraulic pump motor for the plow. If it looks something like a ford starter relay there are two large terminals and two small ones. One large one is power from the source, the other is power out to the motor. The small ones control it one is the ground, and one comes from the controller. If you have power on both large terminals and the motor does not run you problem is down stream. Check the cable connection at the at the motor, and check your ground. If you have power to the motor and a good ground the motor is dead.

97 350 .... 9 ft Western unimount isaramic . New 9 pin . Truck and plow side . New plow motor .new relays and solenoid . . Plug 9 pin in and plug power cord to to . Lights come on. Motor kicks in when I turn on the controller . But stays running and no movement. Test light the plow solenoid . All have power . New fluid. I'm buying a new pump for 200 hoping that's the problem . But I'm stumped on the new motor ...... Old motor had 1 post . Ground to frame . New motor has two posts . Post and neg to motor .... If I switch the ground back to plow frame like the old one. Nothing works but lights stay on . When I reconnect the ground back onto the motor . Lights go out and motor turns on. . Possibly blew relays? It's a new motor . Stumped

There are two fuse boxes. A baqttery junction box under the hood on the drivers side and one inside on drivers side. Good luck.

Fuse/Relay

Location

Fuse Amp

Rating

Power Distribution Box

Description

1 60A** I/P Fuse Panel

2 40A** Blower Motor Relay

3 50A** 4 Wheel Anti-Lock Brake System

(4WABS) Module

4 30A** Power Windows, Power Moon

Roof, Power Seat

5 50A** Ignition Switch, Starter Relay

6 20A** Transfer Case Relay

7 - Not Used

8 20A** Air Suspension

9 40A** Air Suspension

10 30A** PCM Power Relay

1 10A* A/C Relay

2 30A* Heated Seats

3 30A* Heated Backlight

4 15A* Fog Lamps and Daytime Running

Lamps

5 4 3 2 1

10 9 8 7 6

12 11 10 9

8 7 6 5

4 3 2 1

15 14 13

2 1 1

9

6

10

8

7

5

4

1

3 2

175

MEGAFUSE

Roadside emergencies

197

Fuse/Relay

Location

Fuse Amp

Rating

Power Distribution Box

Description

5 - Not Used

6 10A* Powertrain Control Module

7 30A* 4 Wheel Anti-Lock System

(4WABS) Module

8 15A* Rear Wiper Motor

9 20A* Fuel Pump Relay and RAP

Module

10 15A* Horn Relay

11 15A* Parklamps Relay and Mainlight

Switch

12 30A* Mainlight Switch and

Multifunction Switch

13 15A* Heated Oxygen Sensor, EGR

Vacuum Regulator, EVR Solenoid,

Camshaft Position (CMP) Sensor,

Canister Vent Solenoid

14 30A* Generator/Voltage Regulator

15 - Not Used

1 - Wiper Park Relay

2 - A/C Relay

3 - Wiper High/Low Relay

4 - PCM Power Relay

5 - Fuel Pump Relay

6 - Starter Relay

7 - Horn Relay

8 - Rear Wipe Down Relay

9 - Blower Motor Relay

10 - Rear Wipe Up Relay

1 - Not Used

1 - DRL Diode
2 - Electronic Engine Controls Diode

Blower relay is bad (common probe in idler BMWs)

sounds like the wire from fuse box to switch is bad, a fuse completes a circuit or route the fuse takes power in on one side and sends power out the other, I've seen it many of times but cant confirm its your problem. but the power comes in and the power goes out and the fuse checks good but on the out side it is not making connection to the wire or connector on the back of fuse box. run a jumper wire from a positive power source to the positive in on the switch does it work is there a good ground to the motor